1.) The grundle monkey is a ravenous beast that hunts the gouch spider. See gouch spider for further explanations.
2.) Used to describe a compulsive lying monkey claiming to deserve three purple hearts, and a bag of poop. Slang for John Kerry.
2.) Used to describe a compulsive lying monkey claiming to deserve three purple hearts, and a bag of poop. Slang for John Kerry.
by Bob the Builder September 8, 2004

Not the gooch (the space between the scrotom and anus) as most people, but it is the hair that grows on the gooch.
by Brian P. May 23, 2007

A mysterious green monster that runs around picking peoples grundles with his grundle claw while the other hand is in his ass.
by Grundle Fairy December 20, 2012

Dirty Underpants, Soiled Underwear, be it Boxers, Briefs, Thongs, high rise, low rise, cotton, rayon, or polyester, bras, braziers, over the shoulder boulder holders, double barrel slingshots.
Grungy Grundles is actually short for filthy grundlemires, as panties is short for underpants.
Grungy Grundles is actually short for filthy grundlemires, as panties is short for underpants.
by rainbowblueboy and mandabear November 23, 2011

when you are engaged in oral sex OR receiving a hand-job just before you are about to ejaculate, she then pokes you in between the anus and ball sack.
while I was on the computer, looking up many various words on the Urban Dictionary website, I looked over beside me, and all of a sudden, I see my roomie receiving quite the vigorous Grundle Poke I have ever seen...
by R.Tripp February 23, 2011

As you wipe your butt, crap and lint is rolled into the butt hair with each wipe. Over time (especially with not showering regularly) with each wipe more and more Grundle crumbs appear.
by Hak44 August 23, 2009

A thick, sticky, dark brown substance with putrid ripe stench oftentimes found within the area between a person's asshole and genitals.
Holy fuck, what smells like a decaying corpus?....Off courrsee it's the Grundle Tar stuck to Horvach's gooch!!!
by D. P. Dot Dirtbag October 3, 2010
